QuickFacts

25.9%

of persons in Houston city, Texas are under 18 years

24.5%

of persons in Los Angeles County, California are under 18 years

Population per square mile in Ohio is

282.3

27.3%

of persons in Texas are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

The population of Cook County, Illinois is

5,246,456

Population per square mile in Ohio is

282.3

In Pennsylvania

58.3%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey